Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with a graphical user interface showing our new design;

FIG. 2 is a front view of a display screen or portion thereof with a graphical user interface in accordance with a second embodiment; and,

FIG. 3 is a front view of a display screen or portion thereof with a graphical user interface in accordance with a third embodiment. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 